221222010034 has 16 divisors (see below), whose sum is σ = 349513490880. Its totient is φ = 104724699120.

The previous prime is 221222009909. The next prime is 221222010059. The reversal of 221222010034 is 430010222122.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 221222009993 and 221222010020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1734094 + ... + 1857289.

It is an arithmetic number, because the mean of its divisors is an integer number (21844593180).

Almost surely, 2^221222010034 is an apocalyptic number.

221222010034 is a deficient number, since it is larger than the sum of its proper divisors (128291480846).

221222010034 is a wasteful number, since it uses less digits than its factorization.

221222010034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593025.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 221222010034 its reverse (430010222122), we get a palindrome (651232232156).

The spelling of 221222010034 in words is "two hundred twenty-one billion, two hundred twenty-two million, ten thousand, thirty-four".